Urban delivery is a company that delivers packages to customers. The staff are paid an hourly rate plus a fixed dollar amount for every package delivered. You are asked to write an application for the Urban company, and you are in charge of database design and implementation. They want to track the number of packages delivered per day by each staff and the number and weight of packages delivered for customers. The company want to generate the employee paychecks as well. Business Rules:
1. The application should store the first name, last name, job rating, Social security number, employee ID, address and phone number for each employee.
2. Each employee is in a rate category and their hourly payment is based on their rating.
3. Your design should store weight and delivery date for each package.
4. For each package that they deliver they will get $1 regardless of the weight or size of package.
5. The address of customers is saved in the system, and the packages will be delivered just for the customers.
6. The number of packages delivered per day by each staff must be calculated.
7. The number of packages delivered for each customer per day must be calculated.
8. The number of hours an employee works daily must be calculated.
9. A package must have only one Delivery associated with it.

Required:
Identify the Functional Dependencies to separate the attributes into related Entities as necessary.